SKF QJ 306 MA bearings
SKF Explorer, Four-point contact ball bearings, Brass cage
- Measurement system
- Metric
- Bore diameter
- 30.000 mm
- Outside diameter
- 72.000 mm
- Width
- 19.000 mm
- Cr
- 53000 N
- C0r
- 41500 N
- Limiting speed
- 17000 r/min
- Net weight
- 0.42 kg
- Number of rows
- 1
- Contact angle deg
- 35
- Sealing
- Without
- Cage
- Machined brass
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Class6 (P6)
- Internal clearance
- CN
- Lubricant in bearing
- None
- Relubrication feature
- None
In stock
Technical specification for SKF QJ 306 MA
| Part Number | QJ 306 MA | Popular item, SKF Explorer |
|---|---|---|
| MA | Machined brass cage, outer ring centred | |
| Mass bearing | 0.42 kg | Net weight |
| Dimensions | ||
| d | 30 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 19 mm | Width |
| d1 | ≈ 40.5 mm | Shoulder diameter inner ring |
| D1 | ≈ 58.2 mm | Shoulder diameter outer ring/ inner diameter housing washer |
| a | 36 mm | Distance pressure point(s) |
| r1,2 | min. 1.1 mm | Chamfer dimension |
| Abutment dimensions | ||
| da | min. 37 mm | Abutment diameter shaft |
| Da | max. 65 mm | Abutment diameter housing |
| ra | max. 1 mm | Fillet radius |
| Calculation Data | ||
| C | 53 kN | Basic dynamic load rating |
| C0 | 41.5 kN | Basic static load rating |
| Pu | 1.76 kN | Fatigue load limit |
| 17 000 r/min | Limiting speed | |
| Calculation factor | ||
| A | 0.005 | |
| e | 0.95 | |
| X | 0.6 | |
| Y0 | 0.58 | |
| Y1 | 0.66 | |
| Y2 | 1.07 | |
QJ 306 MA, SKF, Angular contact ball bearings, four-point contact ball bearings, SKF Explorer, Dimension: 30mm x 72mm x 19mm.
- MA: Machined brass cage, outer ring centred
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